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Notes Payable - Schedule of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jul. 24, 2025	Dec. 31, 2024	Jun. 28, 2022	Mar. 29, 2021	Aug. 01, 2019	Mar. 30, 2016
Debt Instrument [Line Items]
Current Portion of Notes Payable	$ (47,962)		$ (37,951)
Notes Payable	540,353		335,944
Evercore Inc. 5.48% Series C Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.48%
Evercore Inc. 5.58% Series D Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.58%
Evercore Inc. 4.34% Series E Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.34%
Evercore Inc. 4.44% Series F Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.44%
Evercore Inc. 4.54% Series G Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.54%
Evercore Inc. 3.33% Series H Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						3.33%
Evercore Inc. 1.97% Series I Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					1.97%
Evercore Inc. 4.61% Series J Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				4.61%
Evercore Inc. 5.17% Series K Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		5.17%
Evercore Inc. 5.47% Series L Senior Notes \| Parent Company
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		5.47%
Senior Notes
Debt Instrument [Line Items]
Notes Payable	588,315		373,895
Current Portion of Notes Payable	(47,962)		(37,951)
Notes Payable	$ 540,353		335,944
Senior Notes \| Evercore Inc. 5.48% Series C Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	5.64%
Carrying Value	$ 47,962		47,908
Senior Notes \| Evercore Inc. 5.58% Series D Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	5.72%
Carrying Value	$ 16,944		16,929
Senior Notes \| Evercore Inc. 4.34% Series E Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	4.46%
Carrying Value	$ 74,676		74,619
Senior Notes \| Evercore Inc. 4.44% Series F Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	4.55%
Carrying Value	$ 59,672		59,635
Senior Notes \| Evercore Inc. 4.54% Series G Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	4.64%
Carrying Value	$ 39,748		39,728
Senior Notes \| Evercore Inc. 3.33% Series H Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	3.42%
Carrying Value	$ 33,424		31,073
Senior Notes \| Evercore Inc. 1.97% Series I Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	2.20%
Carrying Value	$ 0		37,951
Senior Notes \| Evercore Inc. 4.61% Series J Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	5.02%
Carrying Value	$ 66,221		66,052
Senior Notes \| Evercore Inc. 5.17% Series K Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	5.20%
Carrying Value	$ 124,835		0
Senior Notes \| Evercore Inc. 5.47% Series L Senior Notes
Debt Instrument [Line Items]
Effective Annual Interest Rate (as a percent)	5.49%
Carrying Value	$ 124,833		$ 0